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Öğe Acupuncture stimulation causes earlier increase in the size and blood flow of corpus luteum and progesterone levels in dairy cows(Wiley-Blackwell, 2015) Kucukaslan, I.; Aslan, S.; Ay, S. S.; Kaya, D.; Findik, M.; Kacar, C.; Wollgarten, B.[Abstract Not Available]Öğe Beneficial effects of Beta-carotene injections prior to treatment with PGF2? on the fertility of postpartum dairy cows(Ecole Nationale Veterinaire Toulouse, 2012) Ay, S. S.; Kaya, D.; Kucukaslan, I.; Agaoglu, A. R.; Emre, B.; Handler, J.; Findik, M.This study examined the effects of Beta-carotene (beta C) injections before estrus synchronization with PGF(2)alpha on fertility parameters in cows. A total of 124 postpartum (pp) cows were used. In GI (n=25), beta C (Carofertin (R), 0.4 mg/kgBW, i.m.) was injected on d 15 and 45 pp. In GII (n=25), beta C was administered on d 15 pp. In GIII (n=25), beta C was administered on d 45 pp. In GIV (n=25), beta C was injected on d 35 and 45 pp. GV (n=24) was set aside as a control group. All animals received PGF(2)alpha (Iliren (R), 0.0015 mg/kgBW, i.m.) on d 50 and 61 pp. Blood samples were collected on d 15,48 and three days after each beta C injection. The overall pregnancy rate was determined to be higher in GI (100%) and GIV (88.0%) than GV (70.8%) (P<0.01). The number of services per conception was the lowest in GI (1.4) and GII (1.4), while days of first service were lower in GIII (90.3 d) and GIV (90.8 d) (P<0.05). The insemination index was found to be lowest in GI (1.4). These results suggest that two administrations of beta C in the early and late pp period before administering PGF(2)alpha can improve fertility. It was concluded that when serum beta C concentrations remain high for a long time (30d) as a results of beta C injections, fertility can be improved.Öğe The effect of acupuncture application during diestrus periods on the size and blood flow of corpus luteum and hormonal parameters in dairy cows(Wiley-Blackwell, 2014) Kucukaslan, I.; Ay, S. S.; Kaya, D.; Findik, M.; Aslan, S.[Abstract Not Available]Öğe The effectiveness of combined preventive treatment with Ceftiofur, Oxytocin and PGF2? on fertility parameters in cows(Ecole Nationale Veterinaire Toulouse, 2012) Kaya, D.; Ay, S. S.; Kucukaslan, I.; Beceriklisoy, H. B.; Agaoglu, A. R.; Findik, M.; Ozyurtlu, N.The present study is aimed at evaluating the effectiveness of combined preventive treatment with Ceftiofur Hydrochloride (CHR), Oxytocin (OXT) and PGF(2 alpha) on fertility parameters and puerperal disorder rates in postpartum (pp) dairy cows. A total of 191 Holstein-Friesian cows were divided into four groups. The cows in group I (GI; n=37) and II (GII; n=69) were treated on a daily basis with CHR and OXT for five and three days pp, respectively. Group III (GIII; n=52) was designed as the PGF(2 alpha) group, and group IV (GIV; n=33) served as a control group. The animals in GI, GII, and Gill were given a PGF(2 alpha) analogue on days 15 and 26 pp. Each group was further divided into subgroups of normal parturition (np) and dystocia (d) when the study results were evaluated. It was found that the first service pregnancy rates for the subgroup of dystocia were significantly higher (P<0.05 and P<0.01) in subgroup GII (76.9%) than in GI (30.0%) and GIV (37.5%). Furthermore, the median time to first service and the median time to pregnancy were longer for cows in subgroup GIVd as compared with subgroups GId, GIId, and GIIId (P<0.001; P<0.01). Group II was found to have the lowest endometritis rates after treatment of subgroups-d and -np. No statistically significant difference was found between the groups with regard to cystic ovary rates after treatment (P>0.05). As the treatment with CHR-OXT combined with PGF(2 alpha) on days 15 and 26 was associated to improved uterine involution patterns and reproductive performance, our results suggest that administration of this preventive treatment would be useful, especially for cases of dystocia.
